// Copyright 2025 FishGoddess. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package writer

import (
	"io"
	"os"
)

const (
	defaultBufferSize = 64 * 1024 // 64KB
)

// notStdoutAndStderr returns true if w isn't stdout and stderr.
func notStdoutAndStderr(w io.Writer) bool {
	return w != os.Stdout && w != os.Stderr
}
